生活型

herb

形態特徵

• Rhizome short, densely tufted, sometimes with elongating stolon. Culms erect, 10-35 cm tall, ca. 1 mm thick, trigonous, scabrous.
• Leaves several, 1.5-3 mm wide, basal sheaths purplish brown or brown.
• Spikes 4 or 5, subfastigiate; terminal spike staminate, linear, 2-4 cm long; lateral spikes pistillate or androgynous, linear 1-3 cm long, subdensely many-flowered. Lower bracts sheathing with setaceous blade; upper bracts scale-like, not sheathing.
• Staminate glumes dull, sparsely hispidulous; Pistillate glumes oblong to ovate, 2-3 mm long, dark brown, ciliate on upper margin, acute at apex. Utricles longer than glume, erect, oblong to lanceolate, flattened-trigonous, 4-6 mm long, finely many-veined, sparsely pubescent, ciliate on margins, short stipe at base; beak long, deeply 2-cleft. Achenes oblong, ca. l.5 mm long, with a long, filiform stipe 2-3 mm long; style slender; stigmas 3.

分布

• 台灣 : open place at high elevations.

引證標本

KAOHSIUNG: Southern Cross-Island Highway, Kuoh 12018.

參考文獻

• KOYAMA, Tetsuo, KUOH, Chang-Sheng & LEONG, Wai-Chao, Flora of Taiwan, second edition 5: 213. 2000.  (Fl. Taiwan 2nd edit.)